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Stastics

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When we convert x-value to z- score and use Standard Normal distribution, which of the following statements is true?
a) The mean of z-score is zero and standard deviation of the z-scores is the same as
the standard deviation of original data
b) The mean and standard deviation of the z-scores is the same as the mean and standard deviation of original data
c) The mean of the z-scores is 0 and the standard deviation of z-scores is 1
d) The mean and the standard deviation of z-scores will be both zero

  • Stastics - ,

    c) The mean of the z-scores is 0 and the standard deviation of z-scores is 1

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